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材料研究学报  1988, Vol. 2 Issue (5): 32-36    
  研究论文 本期目录 | 过刊浏览 |
用中心原子模型计算 Fe-C合金马氏体相变驱动力和相变点
潘牧;徐祖耀
上海交通大学材料科学及工程系;上海交通大学材料科学及工程系
CALCULATION OF THE DRIVING FORCE AND Ms FOR MARTENSITIC TRANSFORMATION IN Fe-C ALLOYS FROM THE CENTRAL ATOMS MODEL
PAN Mu;XU Zuyao(Hsu T Y)(Department of Materials Science and Engineering;Shanghai Jiao Tong University)
引用本文:

潘牧;徐祖耀. 用中心原子模型计算 Fe-C合金马氏体相变驱动力和相变点[J]. 材料研究学报, 1988, 2(5): 32-36.
, . CALCULATION OF THE DRIVING FORCE AND Ms FOR MARTENSITIC TRANSFORMATION IN Fe-C ALLOYS FROM THE CENTRAL ATOMS MODEL[J]. Chin J Mater Res, 1988, 2(5): 32-36.

全文: PDF(375 KB)  
摘要: 根据已发表的活度数据,重新讨论了Fe-C 合金中心原子模型(CAM)中的热力学参数。利用中心原子模型计算了Fe-C 合金的马氏体相变驱动力和M_s。计算结果表明,碳含量较低时,Fe-C 合金马氏体相变驱动力与碳含量成线性递增关系。根据计算结果和徐模型推算了Fe-C 合金奥氏体在M_s点的强度。M_s 的计算与实验结果符合得较好。由CAM 模型得到:M_s(K)=834-8277x_c
Abstract:The central atoms model(CAM)is used to calculate the driving forceand M_s for martensitic transformation in Pe-C alloys.The thermodynamicconstants needed to use this model are evluated from published activitydata for Fe-C alloys.The results show that when
收稿日期: 1988-10-25     
基金资助:国家自然科学基金,5860292
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